Prove or disprove that (1)/(1-cot x) is the same as (sin x)/(sin x - cos x)

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?